Replace SW YUV conversion with higher quality Shader+FBO in pepper video path.

content/renderer/pepper/video_decoder_shim.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_RENDERER_PEPPER_VIDEO_DECODER_SHIM_H_
 #define CONTENT_RENDERER_PEPPER_VIDEO_DECODER_SHIM_H_
 
 #include <queue>
 #include <vector>
 
@@ skipping 54 matching lines @@
   enum State {
     UNINITIALIZED,
     DECODING,
     FLUSHING,
     RESETTING,
   };
 
   struct PendingDecode;
   struct PendingFrame;
   class DecoderImpl;
+  class YUVConverter;
 
   void OnInitializeComplete(int32_t result, uint32_t texture_pool_size);
   void OnDecodeComplete(int32_t result, uint32_t decode_id);
   void OnOutputComplete(scoped_ptr<PendingFrame> frame);
   void SendPictures();
   void OnResetComplete();
   void NotifyCompletedDecodes();
   void DismissTexture(uint32_t texture_id);
   void DeleteTexture(uint32_t texture_id);
   // Call this whenever we change GL state that the plugin relies on, such as
@@ skipping 17 matching lines @@
   TextureIdSet available_textures_;
   // Track textures that are no longer needed (these are plugin ids.)
   TextureIdSet textures_to_dismiss_;
   // Mailboxes for pending texture requests, to write to plugin's textures.
   std::vector<gpu::Mailbox> pending_texture_mailboxes_;
 
   // Queue of completed decode ids, for notifying the host.
   typedef std::queue<uint32_t> CompletedDecodeQueue;
   CompletedDecodeQueue completed_decodes_;
 
-  // Queue of decoded frames that have been converted to RGB and await upload to
-  // a GL texture.
+  // Queue of decoded frames that await rgb->yuv conversion

[bbudge, 2015/05/14 16:45:48]

nit: period

[CodeByThePound, 2015/05/14 17:42:09]

Done.

   typedef std::queue<linked_ptr<PendingFrame> > PendingFrameQueue;
   PendingFrameQueue pending_frames_;
 
   // The optimal number of textures to allocate for decoder_impl_.
   uint32_t texture_pool_size_;
 
   uint32_t num_pending_decodes_;
 
+  scoped_ptr<YUVConverter> yuv_converter_;
+
   base::WeakPtrFactory<VideoDecoderShim> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(VideoDecoderShim);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_PEPPER_VIDEO_DECODER_SHIM_H_